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1; RUN: %llc_dwarf -filetype=obj < %s > %t2; RUN: llvm-dwarfdump %t | FileCheck %s3 4; IR generated from clang -O -g with the following source5;6; void f1(int x, int y);7; void f3(int line);8; void f2() {9; f1(1, 2);10; }11; void f1(int x, int y) {12; f3(y);13; }14 15; CHECK: DW_AT_name{{.*}}"f1"16; CHECK: DW_TAG_formal_parameter17; CHECK-NOT: DW_TAG18; CHECK: DW_AT_name{{.*}}"x"19; CHECK: DW_TAG_formal_parameter20; CHECK-NOT: DW_TAG21; CHECK: DW_AT_name{{.*}}"y"22 23; Function Attrs: uwtable24define void @_Z2f2v() #0 !dbg !4 {25 tail call void @llvm.dbg.value(metadata i32 undef, metadata !16, metadata !DIExpression()), !dbg !1826 tail call void @llvm.dbg.value(metadata i32 2, metadata !20, metadata !DIExpression()), !dbg !1827 tail call void @_Z2f3i(i32 2), !dbg !2128 ret void, !dbg !2229}30 31; Function Attrs: uwtable32define void @_Z2f1ii(i32 %x, i32 %y) #0 !dbg !8 {33 tail call void @llvm.dbg.value(metadata i32 %x, metadata !13, metadata !DIExpression()), !dbg !2334 tail call void @llvm.dbg.value(metadata i32 %y, metadata !14, metadata !DIExpression()), !dbg !2335 tail call void @_Z2f3i(i32 %y), !dbg !2436 ret void, !dbg !2537}38 39declare void @_Z2f3i(i32) #140 41; Function Attrs: nounwind readnone42declare void @llvm.dbg.value(metadata, metadata, metadata) #243 44attributes #0 = { uwtable "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "use-soft-float"="false" }45attributes #1 = { "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "use-soft-float"="false" }46attributes #2 = { nounwind readnone }47 48!llvm.dbg.cu = !{!0}49!llvm.module.flags = !{!26}50 51!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 ", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)52!1 = !DIFile(filename: "exp.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch")53!2 = !{}54!4 = distinct !DISubprogram(name: "f2", linkageName: "_Z2f2v", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2)55!5 = !DIFile(filename: "exp.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch")56!6 = !DISubroutineType(types: !7)57!7 = !{null}58!8 = distinct !DISubprogram(name: "f1", linkageName: "_Z2f1ii", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 6, file: !1, scope: !5, type: !9, retainedNodes: !12)59!9 = !DISubroutineType(types: !10)60!10 = !{null, !11, !11}61!11 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)62!12 = !{!13, !14}63!13 = !DILocalVariable(name: "x", line: 6, arg: 1, scope: !8, file: !5, type: !11)64!14 = !DILocalVariable(name: "y", line: 6, arg: 2, scope: !8, file: !5, type: !11)65!15 = !{i32 undef}66!16 = !DILocalVariable(name: "x", line: 6, arg: 1, scope: !8, file: !5, type: !11)67!17 = !DILocation(line: 4, scope: !4)68!18 = !DILocation(line: 6, scope: !8, inlinedAt: !17)69!19 = !{i32 2}70!20 = !DILocalVariable(name: "y", line: 6, arg: 2, scope: !8, file: !5, type: !11)71!21 = !DILocation(line: 7, scope: !8, inlinedAt: !17)72!22 = !DILocation(line: 5, scope: !4)73!23 = !DILocation(line: 6, scope: !8)74!24 = !DILocation(line: 7, scope: !8)75!25 = !DILocation(line: 8, scope: !8)76!26 = !{i32 1, !"Debug Info Version", i32 3}77